Prolonged lying and standing up dizziness is mainly seen in the following cases: 1, long-term bedridden patients suddenly get up and dizziness, to understand the patient’s usual blood pressure status, part of the hypotensive patients in the position change is very easy to postural hypotension, manifested as lying and standing up when dizziness, dizziness can be relieved when lying down in bed, you can do the lying and standing position of the blood pressure measurement is clear. 2, prolonged lying and standing up dizziness In order to change the position of the patient is more obvious, the patient should be asked about the duration of dizziness. If it only lasts for about 1 minute, it should be considered that the patient may have otolithiasis, and it is necessary to carry out the manipulation of otolithiasis to alleviate the symptoms.3. If the patient has been lying down for a long time and stands up and suddenly becomes dizzy, it is necessary to consider that the patient may have the influence of the long-term position, because the patient has adapted to the process of lying down for a long period of time, and when he or she suddenly stands up, it will cause a transient insufficiency of the blood supply to the brain and dizziness will occur.